"=?iso-8859-2?B?U1rbQ1MgR+Fib3I=?=" <[EMAIL PROTECTED]> writes:
> I have two SQL function that produce different times and I can't understand
> why.

The planner often produces different plans when there are constants in
WHERE clauses than when there are variables, because it can get more
accurate ideas of how many rows will be retrieved.

                        regards, tom lane

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